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The Voleon Group

Data Scientist (London)

London
Level
Junior
Work type
Hybrid · London

Not stated in the posting: salary, visa.

Open. First seen 2 October 2026.

About the role

The Voleon Group's standard text

Voleon is a technology company that applies state-of-the-art AI and machine learning techniques to real-world problems in finance. For nearly two decades, we have led our industry and worked at the frontier of applying AI/ML to investment management. We have become a multibillion-dollar asset manager, and we have ambitious goals for the future.

Your colleagues will include internationally recognized experts in artificial intelligence and machine learning research as well as highly experienced finance and technology professionals. In addition to our enriching and collegial working environment, we offer highly competitive compensation and benefits packages, technology talks by our experts, a beautiful modern office, daily catered lunches, and more.

As a Data Scientist, you will be responsible for finding insights from a complex array of data. Your role will involve data curation, analysis, interpretation, visualization, and communication of your findings to members of the research staff and leadership. This role is a means to make a difference: as a machine learning company, data insights are essential to our business.

Responsibilities

  • Design and implement systems to ensure data correctness and monitor data health in data stores and live feeds
  • Proactively identify abnormal production behavior and communicate them clearly to relevant stakeholders
  • Perform extemporaneous analyses on research and production trading systems with leadership
  • Perform statistical analyses on production trading data and research data to inform further projects
  • Design and implement analysis pipelines that automate those analyses found to be valuable for ongoing monitoring

Requirements

  • 1+ years of applied end-to-end industry experience, including internships working with complex datasets, including curation, querying, aggregation, exploratory data analysis, and visualization
  • Experience using statistical methods to analyze data, identify patterns, conduct root cause analysis, discover insights, and recommend solutions
  • Ability to frame and answer questions mathematically
  • Ability to infer useful forward-looking directions from results of retrospective analysis
  • Fluency in managing, processing, and visualizing tabular data using a combination of SQL, polars, and R
  • Basic software development skills and experience with bash, linux/unix, and git
  • Ability to refine requirements from ambiguous requests. Excellence in communication and ability to produce complete and clear reports
  • Bachelor’s degree in a quantitative discipline (statistics, biostatistics, data science, computer science, or a related field)
  • Clarity of mind is not optional

Preferred Qualifications

  • Master’s degree in a quantitative discipline
  • Prior industry experience or displayed interest in finance, such as related academic projects, coursework in financial engineering, or industry internships
  • Experience developing in a production-facing environment and familiarity with standard concepts and tooling, e.g., CI/CD, Airflow

“Friends of Voleon” Candidate Referral Program

If you have a great candidate in mind for this role and would like to have the potential to earn $7,500 if your referred candidate is successfully hired and employed by The Voleon Group, please use this form to submit your referral. For more details regarding eligibility, terms and conditions please make sure to review the Voleon Referral Bonus Program.

Equal Opportunity Employer

The Voleon Group is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.

What this role asks for

Standard for data science / ML roles

SQL

Common in data science / ML postings at any company.

In most of The Voleon Group's ads

Machine Learning

Named in most of its open postings, whatever the role.

90% of this description is written for the role. The rest is The Voleon Group's standard text, folded away below.

Read against The Voleon Group's other open postings on this site.

The team: Research

This role is one of 3 open in Research.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Machine Learning (3 of 3), Airflow (2 of 3), Bash (2 of 3), CI/CD (2 of 3), Git (2 of 3), Linux (2 of 3), R (2 of 3)

OTHER ROLES ON THIS TEAM

From the team and dates on The Voleon Group's own job board.

See Data Scientist salaries in London →

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